add showseams to tests

Author: gserena

modeling-session/examples/cube_png.rs

@@ -113,6 +113,7 @@ async fn main() -> Result<()> {
                 faces: None,
                 opposite: Default::default(),
                 extrude_method: Default::default(),
+                show_seams: Default::default(),
             }
             .into(),
         )

modeling-session/examples/cube_png_batch.rs

@@ -104,6 +104,7 @@ async fn main() -> Result<()> {
             faces: None,
             opposite: Default::default(),
             extrude_method: Default::default(),
+            show_seams: Default::default(),
         }),
         cmd_id: random_id(),
     });

modeling-session/examples/lsystem_png_batch.rs

@@ -143,6 +143,7 @@ async fn main() -> Result<()> {
             faces: None,
             opposite: Default::default(),
             extrude_method: Default::default(),
+            show_seams: Default::default(),
         }),
         cmd_id: random_id(),
     });